1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Scorpion4ik [409]
3 years ago
13

Neha swims in a 90 m long pool. She covers 180 m in

Physics
1 answer:
mario62 [17]3 years ago
3 0

Answer:

speed in m/s is 3m/s

Explanation:

as she swims 90m in 30 seconds

dividing  90 by 30 will give 3m/s

You might be interested in
The side length of a square is modeled by s=A, where A is the area of the square. Graph the function. What is the side length of
Naya [18.7K]

Answer:

√35 square units

Explanation:

Area of square = 35square units

Formula of area of square is a =s*s where a is area and s is side

So,

s*s = 35

s^2= 35

s = √35

tell me if this is the answer u r looking for

3 0
2 years ago
What do simple machines increase?<br> Force<br> Density<br> Work<br> Mechanical advantage
Orlov [11]
The wheel and axle increases your force. You exert your input force over a long distance and the output force is increased over a shorter distance. (Because the wheel is larger than the axle, the axle rotates and exerts a large output force.) A simple machine with a grooved wheel with a rope or cable wrapped around it.
4 0
3 years ago
Complete the paragraph to describe the relationship between kinetic energy and braking distance. Use . A car moves at a speed of
Mariana [72]

ke prop to v^2

ke1/v1^2=ke2/v2^2

400/50x50=joules/100x100

400x2x2

1600j

7 0
3 years ago
Read 2 more answers
A force gives a 5.0 kg object an acceleration of 2.0 m/s 2. The same force would give a 20 kg object an acceleration of _____. 0
Oksi-84 [34.3K]

m = 5 kg

a = 2 m/s²

to find the force that accelerates the 4 kg object @ 2 m/s²

F = ma = 5 kg x 2 m/s² = 10 N

To find what acceleration 10 N would give a 20 kg object

a = F/m = 10 N/20 kg = 0.5 m/s

6 0
3 years ago
Read 2 more answers
Reflecting telescopes are popular because they're blank than a regarding telescope
olganol [36]
Reflecting telescopes are popular because they are more durable than a refracting telescopes.
There is a difference between these two types of telescopes, reflecting telescopes worked by reflecting light, they are also known as reflector and refracting telescopes worked by refracting light and they are also known as reflactor.
Reflecting telescopes also provides a good focus.
3 0
3 years ago
Other questions:
  • In a closed system, glider A with a mass of 0.40 kg and a speed of 2.00 m/s collides with glider B at rest with a mass of 1.20 k
    8·1 answer
  • The point on the graph that lies on the y-axis (vertical axis) is called the y-intercept. What does the y-intercept tell you abo
    12·1 answer
  • Help asap please !!!! :(
    13·1 answer
  • 10. A flashlight runs on a battery. If the light is left on the battery runs out and the flashlight
    7·1 answer
  • Which statements are true about moving the compass around the wire
    12·1 answer
  • how the relationship between photosynthesis and cellular respiration prove that the Laws of Conservation of Mass and Energy exis
    15·1 answer
  • A different force is applied to each of four different blocks on a frictionless, horizontal surface. In which diagram does the b
    12·1 answer
  • Tom has a mass of 50,000 g and runs up a flight of stairs 4 m high in 12.5 seconds.
    15·1 answer
  • Do magnets have to touch each other for a magnetic field to be present?
    10·1 answer
  • Which applications, either for diagnostic purposes or for therapeutic purposes, involve the use of X-rays
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!